
		body{
			width: 100vw;
			height: 100vh;
			background-color: bisque ;
			margin: 0;
		}
		/* 琴键容器 */
		#main{
			position: relative;
			display: flex;	
		}
		/* 白键样式 */
		.white{
			background-color: #eee;
			/* width: 1.96vw; */
			height: 67vh;
			border: solid 0.05px darkgray;
		}
		/* 黑键样式 */
		.black{
			position: absolute;
			background-color: black;
			/* width: 18px; */
			height: 30vh;
			/* border: solid 1px darkgray; */
		}
		#fileUpload,#readAsText{
			display: inline-block;
		}
		.uploadText{
			font-size: 1.5vw;
			width: 25vw;
			height: 6.5vh;
		}
		.uploadText1{
			font-size: 1.3vw;
			width: 10vw;
			height: 5vh;
		}